Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Gregg E Hintz, PSY.D.
Psychologist in Wauwatosa, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1215099924
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Registry record
Entity type Individual (Type 1)
Name Dr. Gregg E Hintz
Credential PSY.D.
Sex Male
Practice address 1220 Dewey Ave, Wauwatosa, WI, 53213
Phone (414) 454-6500
Enumeration date Dec 16, 2006
Last updated in NPPES Nov 24, 2021
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 2423-057 (WI) Primary
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 39137900 | Medicaid | WI | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Gregg Hintz?
The National Provider Identifier (NPI) for Gregg Hintz is 1215099924, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregg Hintz practice?
The practice location on file with NPPES is in Wauwatosa, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-24.